Fire lookout towers found in numerous national forests have been converted into campsites-in-the-sky.

The odds of a shark attack are already infinitesimal, but with a few simple precautions, it is possible to discourage them even further.

You can fly! New thrill attraction at London's Archbishop's Park caters to urban adventurers with Peter Pan aspirations.

Birds may go quiet, bats may fly around and pets may become uneasy, but it's difficult to predict exactly how non-human animals will react.

Check out the amazing transformation one man goes through after hiking from Georgia to Maine.

'What are we supposed to do?' one hiker whispered as a puma stared them down in Sequoia National Park.

You have until Aug. 28 to get your lifetime National Park Service senior pass at the lower rate of $10.

Open to biking, kayaking and cross-country skiing, this 15,000-mile-trail isn't your run-of-the-mill recreational trail.

It's 'open season on open space,' according to The Cultural Landscape Foundation's 2017 'Landslide' report.

Dale 'Grey Beard' Sanders, 82, hiked the entire Appalachian Trail in a year.

The technologically advanced Stoosbahn ascends and descends over 2,000 feet in about four minutes.

There are several different ways to start a campfire, depending on wind and what resources you have on hand.

Shawn James retired in his mid-40s and is living off the land, including building his own log cabin in the wilderness of Ontario.

The story of how a day spent on a frozen Maine lake skating turned into a mildly viral video.

I hiked to see flowing lava in Hawai‘i. Now I can't shut up about it.

Here are some quirky towns with their own distinct vibe that are worth a visit ... and might be a place you'd like to settle down.

Comedy Wildlife Photography Awards are looking for the funniest candid photos of animals just being themselves.

From a man wearing a minotaur mask to a collection of taxidermy, these fascinating images were the 2018 Sony World Photography winners.

The natural surroundings at these picturesque concert venues sometimes steal the show.

The Danish capital's urban 'parkipelago' will eventually include a sauna, cafe and mussel farm.

A supplement derived from a tropical fern can offer extra defense against sun damage to the skin.

Some trails are more attractive for solo treks because of their blend of solitude and safety.

If you're looking for ideas on where to travel this summer, this list compiled through a Yelp algorithm is a good starting point.

If you're looking for a way to de-stress and relax, bath in the forest — or more specifically, take a walk through the woods.

Here's our list of royal gardens to consider adding to your Best-of-Britain tourist itinerary.

The Finns love to forage, treating the outdoors in Finland like a wild supermarket. Here's how to start this habit where you live.

It's not the first time Nanook, a self-appointed canine trail guide, has saved people in need.

With these first-aid tips and proper planning, you and your dog should be ready for anything.

Researchers used satellite images and medical records over an almost 20-year period to determine if access to green areas reduces schizophrenia risk.

Forget the clunky outdoor furniture. A sling of fabric and some straps are all you need to enjoy the outdoors in a hammock.

BirdCast shows the volume and direction of birds in the U.S.

The Rocky Flats National Wildlife Refuge opens to the public Sept. 15 amid controversy and concerns.

This foliage map from SmokeyMountains.com is a handy, up-to-date guide to fall leaf season all over the country.

Austin's Lions Municipal Golf Course is one of 10 at-risk sites featured in a new report from The Cultural Landscape Foundation.

Markku Lahdesmaki's photo series 'Avanto' illuminates the Finnish hobby of ice swimming.

The air at 85% of national parks is unhealthy at times, report finds, building on a study that said concentration of smog-forming ozone rivals that of cities.

Now 50% complete, the Great American Rail-Trail spans an epic 4,000 epic miles.

Whether you're planning to camp or just go for a simple hike, here are 10 things you need before you hit the trail.

Environmental Working Group's newest sunscreen guide rates the safest sunscreens and calls out bad practices (like too-high SPFs.)

Obama and Jintao announce sweeping clean energy 'cooperation plan' that could significantly reduce global greenhouse gas emissions.

Actor urges lawmakers to close environmental loopholes and increase oversight of industry.

Paterson vetoes anti-fracking bill, but at the same time extends a more narrowly written moratorium on fracking.

We've got picks that include documentaries, fantasy, fiction and even kid movies.

The National Baseball Hall of Fame supports the Cooperstown Chamber of Commerce's anti-fracking position. Cooperstown is located in central New York, in the hea

One man says a century of rhetoric on oil shale shows that it's an idea that will never come to fruition.

Chesapeake Energy's Aubrey McClendon responds to a NYT report that suggests the natural gas industry is part of a Ponzi scheme.

The NRDC unveils a new online tool for Americans who face pollution from hydraulic fracturing, aka 'fracking.'

'30 Rock' actor is the latest big name to go up against the natural gas industry.

Much like his role as the Hulk in the new 'Avengers' movie, actor Mark Ruffalo says his battle against fracking is about 'fighting for the common good.'

It may be a largely symbolic victory for environmentalists, but many critics of hydraulic fracturing hope it will set an example for other states to follow.